diff --git a/app/controllers/welcome_controller.rb b/app/controllers/welcome_controller.rb
index 7ca9b9669..a0e79f0f6 100644
--- a/app/controllers/welcome_controller.rb
+++ b/app/controllers/welcome_controller.rb
@@ -80,6 +80,32 @@ class WelcomeController < ApplicationController
     @student = User.student
   end
 
+  def search
+    search_condition = params[:q] 
+    search_type = params[:search_type].to_sym unless search_condition.blank?
+
+    respond_to do |format|
+      format.html{
+        case search_type
+        when :projects
+          redirect_to projects_search_path(:name => search_condition, 
+                                            :project_type => Project::ProjectType_project)
+        when :courses
+          redirect_to projects_search_path(:name => search_condition, 
+                                            :project_type => Project::ProjectType_course)
+        when :users
+          redirect_to users_search_path(:name => search_condition)
+        when :users_teacher
+          redirect_to users_search_path(:name => search_condition, :role => :teacher)
+        when :users_student
+          redirect_to users_search_path(:name => search_condition, :role => :student)
+        else
+          redirect_to home_path, :alert => l(:label_sumbit_empty)
+        end
+      }
+    end
+  end
+
   private
 
   # 判断网站的入口，是课程 course 则跳过index去渲染 course 方法
diff --git a/app/views/welcome/_search_project.html.erb b/app/views/welcome/_search_project.html.erb
index 61770cace..ca7d151e8 100644
--- a/app/views/welcome/_search_project.html.erb
+++ b/app/views/welcome/_search_project.html.erb
@@ -1,7 +1,16 @@
-<%= form_tag(:controller => 'projects', :action => "search", :method => :get) do %>
+<%
+	select_option = []
+	(select_option << ['项目', 'projects']) if project_type == Project::ProjectType_project
+	(select_option << ['课程', 'courses']) if project_type == Project::ProjectType_course
+	select_option << ['用户', 'users']
+	#select_option << ['教师', 'users_teacher'],
+	#select_option << ['学生', 'users_student']
+%>
+<%= form_tag({controller: :welcome, action: :search }, method: :get) do %>
 <div class="project-search" style="float: right">
-		<%= text_field_tag 'name', params[:name], placeholder:'请输入要搜索的关键字',  :size => 30 %>
-		<%= hidden_field_tag 'project_type', project_type %>
+		<%= text_field_tag :q, nil, placeholder:'请输入要搜索的关键字',  :size => 27 %>
+		<%= select_tag(:search_type, options_for_select(select_option) ) %>
+		<%#= hidden_field_tag 'project_type', project_type %>
 		<%= submit_tag l(:label_search), :class => "enterprise", :name => nil %>
 		</div>	
-<% end %>	
\ No newline at end of file
+<% end %>	
diff --git a/app/views/welcome/course.html.erb b/app/views/welcome/course.html.erb
index d7fafb49a..d0ad1fbcd 100644
--- a/app/views/welcome/course.html.erb
+++ b/app/views/welcome/course.html.erb
@@ -95,8 +95,7 @@
 			<span class="font_welcome_trustie"><%= l(:label_welcome_trustie) %> </span><span class="font_welcome_Mdescription"><%= l(:label_welcome_trustie_course) %> </span><span class="font_welcome_tdescription">, <%= l(:label_welcome_trustie_course_description) %></span>
 	</div>
 	<div class="search-bar">
-		<%= render :partial => "search_project", :locals => {:project_type => 1}%>	
-		<div class='font_lighter' style="margin: 0; padding: 0; margin-top: 4px;">全站课程搜索。</div>
+		<%= render :partial => "search_project", :locals => {:project_type => Project::ProjectType_course}%>	
 	</div>
 	<div style="clear: both;"></div>
 	</div>
diff --git a/app/views/welcome/index.html.erb b/app/views/welcome/index.html.erb
index ad23a3b6b..490833a2b 100644
--- a/app/views/welcome/index.html.erb
+++ b/app/views/welcome/index.html.erb
@@ -96,7 +96,6 @@
 	</div>
 	<div class="search-bar">		
 		<%= render :partial => "search_project", :locals => {:project_type => 0}%>	
-		<div class='font_lighter' style="margin: 0; padding: 0; margin-top: 4px;">全站项目搜索。不会搜索私有项目</div>	
 	</div>
 	<div style="clear: both;"></div>
 	</div>
diff --git a/config/routes.rb b/config/routes.rb
index 41106c0a7..336d8dc51 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -56,8 +56,8 @@ RedmineApp::Application.routes.draw do
   match 'git_usage/ch_usage', :controller => 'git_usage', :action => 'ch_usage', :via => :get, :as => 'ch_usage'
   match 'git_usage/en_usage', :controller => 'git_usage', :action => 'en_usage', :via => :get, :as => 'en_usage'
   #added by nie
-  match '/projects/search', :controller => 'projects', :action => 'search', :via => [:get, :post], :as => 'search'
-  match '/users/search', :controller => 'users', :action => 'search', :via => [:get, :post], :as => 'search'
+  match '/projects/search', :controller => 'projects', :action => 'search', :via => [:get, :post]
+  match '/users/search', :controller => 'users', :action => 'search', :via => [:get, :post]
   #end
   match 'login', :to => 'account#login', :as => 'signin', :via => [:get, :post]
   match 'logout', :to => 'account#logout', :as => 'signout', :via => [:get, :post]
@@ -553,4 +553,6 @@ RedmineApp::Application.routes.draw do
   match 'tags/remove_tag',:to=>'tags#remove_tag',:as=>"remove_tag"
   
   match 'words/add_brief_introdution', :controller => 'words', :action => 'add_brief_introdution'
+
+  get ':controller(/:action(/:id))'
 end